/*
 * @Description: A
 * @Author: 平常心
 * @Date: 2024-09-13 09:36:14
 * @LastEditors: 平常心
 * @LastEditTime: 2024-09-13 09:36:16
 */
public class A extends B{
  // 子类
  public void studying(){
    System.out.println("孩子喜欢学习");
  }
}